ruby/red-arrow-format/test/test-time64-array.rb

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class TestTime64Array < Test::Unit::TestCase
  def setup
    @time_00_00_10_000_000 = 10 * 1_000_000
    @time_00_01_10_000_000 = (60 + 10) * 1_000_000
    @values = [@time_00_00_10_000_000, nil, @time_00_01_10_000_000]
    @array = ArrowFormat::Time64Array.new(:microsecond, @values)
  end

  sub_test_case("#initialize") do
    def test_no_null
      values = [@time_00_00_10_000_000, @time_00_01_10_000_000]
      assert_equal(values,
                   ArrowFormat::Time64Array.new(:microsecond, values).to_a)
    end

    def test_mixed
      values = [@time_00_00_10_000_000, nil, @time_00_01_10_000_000]
      assert_equal(values,
                   ArrowFormat::Time64Array.new(:microsecond, values).to_a)
    end
  end

  sub_test_case("#==") do
    def test_no_slice
      values = [@time_00_00_10_000_000, nil, @time_00_01_10_000_000]
      array1 = ArrowFormat::Time64Array.new(:microsecond, values)
      array2 = ArrowFormat::Time64Array.new(:microsecond, values)
      assert_equal(array1, array2)
    end

    def test_sliced
      values = [@time_00_00_10_000_000, nil, @time_00_01_10_000_000]
      array1 = ArrowFormat::Time64Array.new(:microsecond, values)
      array2 = ArrowFormat::Time64Array.new(:microsecond, [0, *values, 0])
      assert_equal(array1, array2.slice(1, 3))
    end

    def test_sliced_different_content
      values = [@time_00_00_10_000_000, nil, @time_00_01_10_000_000]
      array1 = ArrowFormat::Time64Array.new(:microsecond, values)
      array2 = ArrowFormat::Time64Array.new(:microsecond, [0, 0, *values, 0])
      assert_not_equal(array1, array2.slice(1, 3))
    end
  end

  sub_test_case("#[]") do
    def test_valid
      assert_equal(@values[2], @array[2])
    end

    def test_null
      assert_nil(@array[1])
    end
  end
end